for communication perpose,The telephone came about because they were trying to improve the capabilities of the telegraph.

Option D

Shiksha ka importance batana chahiye, shiksha ko inetresting banana chahiye, low cost good quality education provide karna chahiye

Yes ma'am it is very important

Their fins and skin

Indira Gandhi was the first lady to receive barat ratna

From sun, it is converted in electricity by solar panel

Yes it affect. Mobiles , internet, wifi , computer and some other tech makes study very interesting memorable and effective.

Kyo ki rabies ke karan marij water se darane lagata hai